import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/Users/User.vue'
import Rights from '../components/Power/Rights.vue'
import Roles from '../components/Power/Roles'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import goodList from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'
Vue.use(VueRouter)

const routes = [
  { path: '/', redirect: '/login' },
  { path: '/login', component: Login },
  { path: '/home', component: Home,redirect:'/welcome',
    children:[
      {path:'/welcome',component:Welcome},
      {path:'/users',component:Users },
      {path:'/rights',component:Rights},
      {path:'/roles',component:Roles},
      {path:'/categories',component:Cate},
      {path:'/params',component:Params},
      {path:'/goods',component:goodList},
      {path:'/goods/add',component:Add},
      {path:'/orders',component:Order},
      {path:'/reports',component:Report}
    ]
}
]

const router = new VueRouter({
  routes
})
//路由导航守卫
router.beforeEach((to,from,next)=>{
  //to 要访问的路径
  //from 从哪来的路径
  //next 放行函数 next()放行 next('/home')重定向
  if(to.path === '/login') return next();
  const tokenStr = window.sessionStorage.getItem('token');
  if(!tokenStr) return next('/login');
  next();
})
export default router
